Birds as a factor in controlling insect depredations
By: by Clarence Cottam and Francis M. Uhler.
Contributors: Uhler, F. M 1902-
Series: Wildlife leaflet / United States Dept. of the Interior.  Bureau of Biological Survey -- BS-162; Wildlife leaflet (United States.  Bureau of Biological Survey) -- BS-162
Publisher: [s.n.]
Published: 1940
Place of publication: Washington, D.C
Language: eng
Subjects: Beneficial birds -- United States; Insect pests -- Biological control -- United States
Notes: Caption title.

"Presented at the technical session of the Fifth North American Wildlife Conference, Washington, D.C., March 20, 1940."

"Reproduced from typewritten copy.